diff --git a/signer/Cargo.lock b/signer/Cargo.lock
index bcb3ab3..14fd847 100644
--- a/signer/Cargo.lock
+++ b/signer/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -126,11 +126,11 @@ dependencies = [
  "bitcoin",
  "esplora-client",
  "futures",
- "getrandom",
+ "getrandom 0.2.10",
  "js-sys",
  "log",
  "miniscript",
- "rand",
+ "rand 0.8.5",
  "serde",
  "serde_json",
  "tokio",
@@ -498,6 +498,18 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+]
+
 [[package]]
 name = "ghash"
 version = "0.5.0"
@@ -650,9 +662,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.149"
+version = "0.2.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+checksum = "52ff2c0fe9bc6cb6b14a0592c2ff4fa9ceb83eea9db979b0487cd054946a2b8f"
 
 [[package]]
 name = "log"
@@ -800,6 +812,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -807,10 +825,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha",
+ "rand_chacha 0.3.1",
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ec095654a25171c2124e9e3393a930bddbffdc939556c914957a4c3e0a87166"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.5",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.3.1"
@@ -821,6 +849,16 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.5",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.4.2"
@@ -833,7 +871,16 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.10",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
+dependencies = [
+ "getrandom 0.3.4",
 ]
 
 [[package]]
@@ -903,7 +950,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b1629c9c557ef9b293568b338dddfc8208c98a18c59d722a9d53f859d9c9b62"
 dependencies = [
  "bitcoin_hashes",
- "rand",
+ "rand 0.8.5",
  "secp256k1-sys",
  "serde",
 ]
@@ -973,7 +1020,7 @@ dependencies = [
  "ccm",
  "chacha20poly1305",
  "miniscript",
- "rand",
+ "rand 0.9.3",
  "rust-argon2",
  "serde",
  "serde_json",
@@ -1239,6 +1286,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasip2"
+version = "1.0.2+wasi-0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.87"
@@ -1413,6 +1469,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "wit-bindgen"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+
 [[package]]
 name = "zeroize"
 version = "1.6.0"
diff --git a/signer/Cargo.toml b/signer/Cargo.toml
index 09fdc87..ba31d65 100644
--- a/signer/Cargo.toml
+++ b/signer/Cargo.toml
@@ -14,7 +14,7 @@ bitcoin = "0.29"
 bdk = { version = "0.27", default-features=false, features = ["keys-bip39", "use-esplora-async", "async-interface", "dev-getrandom-wasm"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-rand = "0.8.5"
+rand = "0.9.3"
 rust-argon2 = "1.0"
 chacha20poly1305 = "0.10"
 ccm = "0.5"